Home / 18,244.14-27,346.21-7,138.62

Finding the Fourth Proportional to 18,244.14, 27,346.21 and 7,138.62

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Solution

The fourth proportional to 18,244.14, 27,346.21 and 7,138.62 is: 10,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.14 : 27,346.21 = 7,138.62 : x
  2. Step 2: Convert to fraction form
    18,244.14/27,346.21 = 7,138.62/x
  3. Step 3: Cross multiply
    18,244.14x = 27,346.21 × 7,138.62
  4. Step 4: Simplify right side
    18,244.14x = 195,214,201.63
  5. Step 5: Solve for x
    x = 195,214,201.63/18,244.14
  6. Step 6: Final answer
    x = 10,700.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.